How to change the version of windows 7 on your PC

Kammran123

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Dec 8, 2015
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I downloaded windows 7of the Internet but brought a product key afterwards. When I tryed the product key it said that I can't use the key as it is for a different version of windows 7.How do I uninstall my current version of windows 7 from my hard drive.
 
Solution
you'll have to download the version of win 7 you actual need and then then boot to that disk. during the install process, let the installer format the drive to remove the other version of win 7.

problem solved :)